Jamis Ventura (2026)

endurance road · aluminium · sizes 48–61 Manufacturer’s website

Geometry ?

Jamis Ventura 2026 geometry in sizes 48–61: stack 531–635 mm, reach 360–388 mm, head angle 70–73°.

	48	51	54	56	58	61
Stack	531 mm	553 mm	570 mm	598 mm	616 mm	635 mm
Reach	360 mm	365 mm	373 mm	376 mm	383 mm	388 mm
Head angle	70°	71.5°	72°	73°	73°	73°
Seat angle	75°	74°	73°	73°	73°	73°
Head tube	125 mm	145 mm	160 mm	185 mm	205 mm	225 mm
Top tube (effective)	505 mm	526 mm	548 mm	559 mm	571 mm	582 mm
BB drop	71 mm	69 mm	68 mm	68 mm	66 mm	66 mm
Chainstay	415 mm	415 mm	420 mm	420 mm	425 mm	425 mm
Wheelbase	988 mm	990 mm	996 mm	998 mm	1015 mm	1026 mm
Standover	729 mm	764 mm	779 mm	803 mm	821 mm	838 mm
Fork offset	50 mm	50 mm	43 mm	43 mm	43 mm	43 mm
Stock build by size
Cranks	170 mm	170 mm	172.5 mm	172.5 mm	175 mm	175 mm
Stem	90 mm	90 mm	100 mm	100 mm	120 mm	120 mm
Stem angle Ventura A1	−6°	−6°	−6°	−6°	−6°	−6°
Stem angle Ventura A2	−7°	−7°	−7°	−7°	−7°	−7°
Bar width Ventura A1	400 mm	400 mm	420 mm	420 mm	440 mm	440 mm
Bar width Ventura A2	380 mm	400 mm	400 mm	420 mm	420 mm	420 mm

Source: jamisbikes.com, checked 1 Nov 2026 · bar position: worked out from published data

Older model years in the archive with the same stack, reach and head angle: 2020–2021. Source: jamisbikes.com

Stock build

Ventura A1 ≈ €1,196

Ventura A2 ≈ €966

Source for all builds: jamisbikes.com, checked 1 Nov 2026

Frames with similar geometry

Stack and reach within 12 mm of size 56 (stack 598 / reach 376 mm).

Spotted a mistake or a missing build? Let me know.

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